Car bomb targets Baath Party in Damascus; Bo Xilai on hunger strike; South Korea and US to stage joint military drills; Indian workers stage two-day strike; Human Rights Watch faults Mexico over 150 disappearances; and more

US and Israel accused of assination after Iranian nuclear scientist killed in mysterious motorcycle bomb attack; Should America resort of bombing?; Geithner tells China to cool relationship with Iran; North Korea condemns US for "politicising" food aid; Mitt Romney close to line in race for Republican nomination after NH win; Italy's government looks to end monopolies and vested interests; Arab League mission to Syria labelled "a farce"